Honeywell ST 3000 User Manual page 86

7— Start-up - Pressure Measurement with DP Transmitter
Step
5 From "Online" menu, step through the following menu selections:
Device setup
•
• Diag/Service
• Calibration
Apply values
•
You will be warned to remove the loop from automatic control. After doing so, press OK to
continue
6 When the following display appears,
choose 4mA, then press ENTER.
A display will prompt you to apply new 4 mA input. Press OK.
7 When "Current applied process value" display appears, choose "Set as 4mA value" then press
ENTER.
8 When the display in Step 6 appears, choose Exit, then press ENTER.
Return the loop to automatic control.
9 Press HOME to return to the "Online" display.
10 From "Online" menu, step through the following menu selections:
• Device setup
Process variables
•
11 At "Process variables" display, read 0% output for corresponding zero line pressure plus head
pressure H. Check that milliammeter reading is 4 mA (0%) output.
12 Close plug C
13 Open valve D to begin measuring process line pressure.
14 Take communicator and milliammeter readings to check that output signal does correspond to
applied line pressure.
If readings do not correspond, check that transmitter has been installed correctly. If applicable,
blow down piping to be sure no foreign matter is entrapped in it.
Check communicator and milliammeter readings again. If readings are still not correct, verify
transmitter's configuration data and change its range setting if needed.
15 Remove communicator and milliammeter from loop.
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ST3000: PT 3011
Set the:
1 4mA
2 20mA
3 Exit
ST 3000 HART Transmitter Release 300 User Manual
Action
ABORT ENTER
10/05